(autoload 'python-mode "python-mode" "Python Mode." t)
(add-to-list 'auto-mode-alist '("\\.py\\'" . python-mode))
(add-to-list 'interpreter-mode-alist '("python" . python-mode))

(require 'python-mode)
(add-hook 'python-mode-hook
      (lambda ()
	(set-variable 'py-indent-offset 4)
	;(set-variable 'py-smart-indentation nil)
	(set-variable 'indent-tabs-mode nil) 
	(define-key py-mode-map (kbd "RET") 'newline-and-indent)
	;(define-key py-mode-map [tab] 'yas/expand)
	;(setq yas/after-exit-snippet-hook 'indent-according-to-mode)
	(smart-operator-mode-on)
	))


;; pymacs
;;(autoload 'pymacs-apply "pymacs")
;;(autoload 'pymacs-call "pymacs")
;;(autoload 'pymacs-eval "pymacs" nil t)
;;(autoload 'pymacs-exec "pymacs" nil t)
;;(autoload 'pymacs-load "pymacs" nil t)
;;(eval-after-load "pymacs"
;;  '(add-to-list 'pymacs-load-path YOUR-PYMACS-DIRECTORY"))
(require 'pymacs)
(pymacs-load "ropemacs" "rope-")
(setq ropemacs-enable-autoimport t)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                         
;;; Auto-completion                                                                                            
;;;  Integrates:                                                                                               
;;;   1) Rope                                                                                                  
;;;   2) Yasnippet                                                                                             
;;;   all with AutoComplete.el                                                                                 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                         
(defun prefix-list-elements (list prefix)
  (let (value)
    (nreverse
     (dolist (element list value)
      (setq value (cons (format "%s%s" prefix element) value))))))
(defvar ac-source-rope
  '((candidates
     . (lambda ()
         (prefix-list-elements (rope-completions) ac-target))))
  "Source for Rope")
(defun ac-python-find ()
  "Python `ac-find-function'."
  (require 'thingatpt)
  (let ((symbol (car-safe (bounds-of-thing-at-point 'symbol))))
    (if (null symbol)
        (if (string= "." (buffer-substring (- (point) 1) (point)))
            (point)
          nil)
      symbol)))
(defun ac-python-candidate ()
  "Python `ac-candidates-function'"
  (let (candidates)
    (dolist (source ac-sources)
      (if (symbolp source)
          (setq source (symbol-value source)))
      (let* ((ac-limit (or (cdr-safe (assq 'limit source)) ac-limit))
             (requires (cdr-safe (assq 'requires source)))
             cand)
        (if (or (null requires)
                (>= (length ac-target) requires))
            (setq cand
                  (delq nil
                        (mapcar (lambda (candidate)
                                  (propertize candidate 'source source))
                                (funcall (cdr (assq 'candidates source)))))))
        (if (and (> ac-limit 1)
                 (> (length cand) ac-limit))
            (setcdr (nthcdr (1- ac-limit) cand) nil))
        (setq candidates (append candidates cand))))
    (delete-dups candidates)))
(add-hook 'python-mode-hook
          (lambda ()
                 (auto-complete-mode 1)
                 (set (make-local-variable 'ac-sources)
                      (append ac-sources '(ac-source-rope) '(ac-source-yasnippet)))
                 (set (make-local-variable 'ac-find-function) 'ac-python-find)
                 (set (make-local-variable 'ac-candidate-function) 'ac-python-candidate)
                 (set (make-local-variable 'ac-auto-start) nil)))
 
;;Ryan's python specific tab completion                                                                        
(defun ryan-python-tab ()
  ; Try the following:                                                                                         
  ; 1) Do a yasnippet expansion                                                                                
  ; 2) Do a Rope code completion                                                                               
  ; 3) Do an indent
  (interactive)  
  (if (looking-back "[\.a-zA-z]")
      (ac-start)  
    (indent-for-tab-command)))
 
(defadvice ac-start (before advice-turn-on-auto-start activate)
  (set (make-local-variable 'ac-auto-start) t))
(defadvice ac-cleanup (after advice-turn-off-auto-start activate)
  (set (make-local-variable 'ac-auto-start) nil))
 
(define-key py-mode-map "\t" 'ryan-python-tab)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                         
;;; End Auto Completion                                                                                        
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;


;; Auto Syntax Error Hightlight
(when (load "flymake" t) 
  (defun flymake-pyflakes-init () 
    (let* ((temp-file (flymake-init-create-temp-buffer-copy 
		       'flymake-create-temp-inplace)) 
	   (local-file (file-relative-name 
			temp-file 
			(file-name-directory buffer-file-name)))) 
      (list "pyflakes" (list local-file)))) 
  
  (add-to-list 'flymake-allowed-file-name-masks 
	       '("\\.py\\'" flymake-pyflakes-init))) 

(add-hook 'find-file-hook 'flymake-find-file-hook)


(provide 'leo-python)
